| OBOwens Brockway Glass Container Inc/plt 7 | Brockport | PA | Nonmetallic Mineral Product Manufacturing327213 | — | ◐ LIKELY ACTIVE |
| PSPanel Solutions, INC. | Hazleton | PA | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◐ LIKELY ACTIVE |
| PMParmer Metered Concrete INC | Hershey | PA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PSPennsy Supply INC Landisville Facility | Mount Joy | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| PSPennsy Supply Inc/landisville Quarry | Landisville | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| PHPinnacle Health/harrisburg Hosp | Harrisburg | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| PIPureon Inc/fayette Business Pk | Smithfield | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| QCQuikrete CO Inc/harrisburg Plt | Paxinos | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| QHQuikrete - Harrisburg, Pa Plant | Paxinos | PA | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| QPQuikrete - Pittsburgh, Pa Plant | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RHRed Hill Grinding Wheel Corp/ Pennsburg Boro | Pennsburg | PA | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
| RPRinker Pittsburgh Pipe | Oakdale | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RRRmci Refractory/west Grove | West Grove | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| RQRohrers Quarry/lititz | Lititz | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| SPServall Plant/erie | Erie | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSilbrico Corp/easton | Forks Township | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| SMSkyline Metals Llc/slag Processing Plt | Baden | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| SJSponge Jet INC | Montrose | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| SCStone & CO Inc/charleroi Plt | Charleroi | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TITechneglas Inc/pittston | Pittston | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◐ LIKELY ACTIVE |
| THTerre Hill Silo Company INC | Terre Hill | PA | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ◐ LIKELY ACTIVE |
| TFTrans Fleet Truck & Equip Painting/collegeville | Collegeville | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| UPUpmc Pinnacle Carlisle/s Middleton Twp | Carlisle | PA | Nonmetallic Mineral Product Manufacturing327124 | — | ◐ LIKELY ACTIVE |
| VPVesuvius Penn Wampum/lawrence | Wampum | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| VMVitro Meadville Flat Glass Meadville Plt/crawford | Meadville | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| WSWindber Stone Llc/ogletown Quarry | Windber | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| YBYork Building Products CO Inc/new Holland | New Holland | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ASAction Supply Darby Concrete Facility | Sharon Hill | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AGAdvanced Glass Sys INC | Trumbauersville | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| APAe Polysilicon CORP. | Fairless Hills | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AFAgc Flat Glass North America Quakertown Facility | Quakertown | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| AMAliquippa Metal Recovery/slag Processing | Aliquippa | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ARAllegheny River Term/new Kensington Crushing Plt | New Kensington | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AGAnchor Glass Connellsville Plt | Connellsville | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| AIAnker Industries | Turtle Creek | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| APA P Green Refractories INC Sproul Pa Plant | Sproul | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BVBig Valley Concrete - Mill Creek Facility | Mill Creek | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBrighton China CO Inc/beaver Falls | Beaver Falls | PA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| BFBryan Frank, INC. | Pittsburgh | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSB S Quarries INC | Montrose | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BDBulk Dried Materials Llc/hartley St Plt | York | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BDBulk Dried Materials Llc/workrite Masonry Plt | Thomasville | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CGCap Glass Allentown Llc/northampton Plt | Northampton | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CBCastle Bldr Supply New Castle | New Castle | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCertainteed - Mountaintop Facility | Mountain Top | PA | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| CSCollier Stone CO - Mcshane Quarry | Carnegie | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CLCon Lime Inc/bellefonte | Bellefonte | PA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| DCDal-tile CORP Bendersville Plant | Bendersville | PA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| DCDlubak CORP | Freeport | PA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DSDonaldson Supply CO | Canonsburg | PA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |